Example Of Serial Write Connection (Power Supplied From The Writer); Fig. 26.2 Example Of Serial Write Connection For Mb90F428/A (Power Supplied From The Writer) - Fujitsu MB90420/5 (A) Series Hardware Manual

26.3 Example of Serial Write Connection (Power Supplied from the Writer)

Figure 26.2 is an example of a serial write connection for internal vector modes (single-chip mode and
internal ROM external bus mode) when power is supplied from the writer power.
The mode pins MD2, MD1, and MD0 are set to 011.
n Example of serial write connection (power supplied from the writer)
AF220/AF210/AF110
flash microcontroller
programmer
Pins 4, 9, 11, 17, 18, 20, 24, 25 and
26 are open.
DX10-28S: Right-angle type

Fig. 26.2 Example of Serial Write Connection for MB90F428/A (Power Supplied from the Writer)

EXAMPLES OF MB90F428/A SERIAL WRITE CONNECTION
User system
Connector
DX10-28S
(19)
TAUX3
(12)
TMODE
(23)
TAUX
/TICS (10)
(5)
/TRES
TTXD
(13)
TRXD
(27)
TCK
(6)
TV
(2)
CC
V
(3)
CC
TVPP1
(16)
(7, 8,
GND
14, 15,
21, 22,
1, 28)
10 kΩ
10 kΩ
10kΩ
1 MHz to 16 MHz
10 KΩ
User
10 kΩ
User
10 kΩ
0.1 µF
User power supply
Pin 14
DX10-28 S
Pin 28
Connector (Hirose Electric Co., Ltd.)
pin assignment
26-7
MB90F428/A
MD2
MD1
MD0
X0
X1
P00
RSTX
P01
C
SIN1
SOT1
SCK1
V
CC
V
SS
Pin 1
Pin 15